package com.bite.common.security.handler;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.StrUtil;
import com.bite.common.core.domain.R;
import com.bite.common.core.enums.ResultCode;
import com.bite.common.security.exception.ServiceException;
import jakarta.servlet.http.HttpServletRequest;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindException;
import org.springframework.web.HttpRequestMethodNotSupportedException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.context.support.DefaultMessageSourceResolvable;

import java.util.Collection;
import java.util.Objects;

import java.util.function.Function;
import java.util.stream.Collectors;

/**
 *
 全局异常处理器
 */

@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler
{
    /**
     * 请求⽅式不⽀持
     */
    @ExceptionHandler(HttpRequestMethodNotSupportedException.class)
    public R<?>
    handleHttpRequestMethodNotSupported(HttpRequestMethodNotSupportedException e,
                                        HttpServletRequest request)
    {
        String requestURI = request.getRequestURI();
 log.error("请求地址'{}',不⽀持'{}'请求", requestURI, e.getMethod());
        return R.fail(ResultCode.ERROR);
    }
    /**
     * 拦截运⾏时异常
     */
    @ExceptionHandler(RuntimeException.class)
    public R<?> handleRuntimeException(RuntimeException e, HttpServletRequest
            request) {
        String requestURI = request.getRequestURI();
        log.error("请求地址'{}',发⽣异常运行时异常.", requestURI, e);
        return R.fail(ResultCode.ERROR);
    }

    @ExceptionHandler(BindException.class)
   public R<Void> handleBindException(BindException e) {
     log.error(e.getMessage());
     String message = join(e.getAllErrors(),
             DefaultMessageSourceResolvable::getDefaultMessage, ", ");
     return R.fail(ResultCode.FAILED_PARAMS_VALIDATE.getCode(), message);
     }
     private <E> String join(Collection<E> collection, Function<E, String> function, CharSequence delimiter) {
     if (CollUtil.isEmpty(collection)) {
         return StrUtil.EMPTY;
     }
     return collection.stream().map(function).filter(Objects::nonNull).collect(Collectors.joining(delimiter));
     }


    /**
     * 拦截自定义异常
     */
    @ExceptionHandler(ServiceException.class)
    public R<?> handleRuntimeException(ServiceException e, HttpServletRequest request) {
        String requestURI = request.getRequestURI();
        ResultCode resultCode = e.getResultCode();
        log.error("请求地址'{}',发⽣业务异常{}", requestURI, resultCode.getMsg(),e);
        return R.fail(ResultCode.ERROR);
    }
    /**
     * 系统异常
     */
    @ExceptionHandler(Exception.class)
    public R<?> handleException(Exception e, HttpServletRequest request) {
        String requestURI = request.getRequestURI();
 log.error("请求地址'{}',发⽣异常.", requestURI, e);
        return R.fail(ResultCode.ERROR);
    }
}